click below
click below
Normal Size Small Size show me how
Science Vocab
Space Vocab and Questions
| Question or Vocab | Answer |
|---|---|
| Does the near side always face Earth? | Yes |
| How long does the Moon take to revolve around Earth? | 27.3 days |
| Are a day and a year the same length on Earth? | No it is the moon |
| What causes the phases of the moon,eclipses, and tides? | The changing relative positions on the moon |
| What are the different shapes of the moon called? | Phases |
| How many phases are there? | Eight |
| What are phases caused by? | changing in the relative positions of the moon,Earth, and Sun |
| Is half of the moon always in the sunlight? | Yes |
| Do we always see the Moon as the same angle? | No we see it at multiple angles |
| The phases of the moon depend on what? | How much of the sunlit side of the Moon faces Earth |
| What happens after the last full moon after 29.5 days? | It restarts |
| When the moon's shadow hits the earth, what occurs? | an eclipse |
| What are the two types of eclipses? | solar and lunar |
| When does a solar eclipses occur? | when the moon passes directly between Earth and the Sun, blocking sunlight from Earth |
| What is the umbra? | The very darkest part of the moon's shadow that is cone shaped |
| Is there light in the umbra? | no because it blocked by the moon |
| Do people outside the umbra get solar eclipses? | No just the ones in it |
| What is a Corona? | The faint outer atmosphere of the sun |
| what is the larger part of the shadow called? | penumbra |
| Do people in the penumbra see only a partial eclipse? | Yes |
| when does a lunar eclipse occur? | at a full moon when Earth is directly between the Earth and the Sun |
| What happens during a lunar eclipse? | Earth blocks sunlight from reaching the moon |
| Why does a lunar eclipse only happen during a full moon? | Because the Moon is closer to the Earth's shadow at that time |
| Does Earth have a penumbra and umbra? | Yes |
| Are you more likely to see a total lunar eclipse than total solar eclipse? | Yes |
| When does a partial lunar eclipse occur? | When the moon passes partly into the umbra of Earth's shadow |
| What is a tide? | the rise and fall of ocean water that occurs every 12.5 hours or so |
| What are tides caused by? | differences in how much the moon's gravity pulls on different parts of Earth |
| What is a spring tide? | When the combined forces of the moon and the sun pull in the same direction and create a tide with the difference between consecutive low and high tides |
| What is a neap tide? | a tide with the least difference between consecutive low and high tides |
| When do neap tides occur? | twice a month |